org.apache.log4j.WriterAppender#setThreshold ( )源码实例Demo

下面列出了org.apache.log4j.WriterAppender#setThreshold ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： hadoop-ozone 文件： LogStreamServlet.java

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
    throws IOException {

  WriterAppender appender =
      new WriterAppender(new PatternLayout(PATTERN), resp.getWriter());
  appender.setThreshold(Level.TRACE);

  try {
    Logger.getRootLogger().addAppender(appender);
    try {
      Thread.sleep(Integer.MAX_VALUE);
    } catch (InterruptedException e) {
      Thread.currentThread().interrupt();
    }
  } finally {
    Logger.getRootLogger().removeAppender(appender);
  }
}

源代码2 项目： takes 文件： FbLog4jTest.java

/**
 * Helper method to set up stream.
 * @return ByteArrayOutputStream for logging
 */
private ByteArrayOutputStream setUpLoggerStream() {
    final ByteArrayOutputStream baos = new ByteArrayOutputStream();
    final WriterAppender appender = new WriterAppender(
        new SimpleLayout(),
        baos
    );
    appender.setThreshold(Level.ERROR);
    appender.activateOptions();
    Logger.getRootLogger().addAppender(appender);
    return baos;
}

源代码3 项目： hadoop 文件： TestJobMonitorAndPrint.java

@Test
public void testJobMonitorAndPrint() throws Exception {
  JobStatus jobStatus_1 = new JobStatus(new JobID("job_000", 1), 1f, 0.1f,
      0.1f, 0f, State.RUNNING, JobPriority.HIGH, "tmp-user", "tmp-jobname",
      "tmp-queue", "tmp-jobfile", "tmp-url", true);
  JobStatus jobStatus_2 = new JobStatus(new JobID("job_000", 1), 1f, 1f,
      1f, 1f, State.SUCCEEDED, JobPriority.HIGH, "tmp-user", "tmp-jobname",
      "tmp-queue", "tmp-jobfile", "tmp-url", true);

  doAnswer(
      new Answer<TaskCompletionEvent[]>() {
        @Override
        public TaskCompletionEvent[] answer(InvocationOnMock invocation)
            throws Throwable {
          return new TaskCompletionEvent[0];
        }
      }
      ).when(job).getTaskCompletionEvents(anyInt(), anyInt());

  doReturn(new TaskReport[5]).when(job).getTaskReports(isA(TaskType.class));
  when(clientProtocol.getJobStatus(any(JobID.class))).thenReturn(jobStatus_1, jobStatus_2);
  // setup the logger to capture all logs
  Layout layout =
      Logger.getRootLogger().getAppender("stdout").getLayout();
  ByteArrayOutputStream os = new ByteArrayOutputStream();
  WriterAppender appender = new WriterAppender(layout, os);
  appender.setThreshold(Level.ALL);
  Logger qlogger = Logger.getLogger(Job.class);
  qlogger.addAppender(appender);

  job.monitorAndPrintJob();

  qlogger.removeAppender(appender);
  LineNumberReader r = new LineNumberReader(new StringReader(os.toString()));
  String line;
  boolean foundHundred = false;
  boolean foundComplete = false;
  boolean foundUber = false;
  String uberModeMatch = "uber mode : true";
  String progressMatch = "map 100% reduce 100%";
  String completionMatch = "completed successfully";
  while ((line = r.readLine()) != null) {
    if (line.contains(uberModeMatch)) {
      foundUber = true;
    }
    foundHundred = line.contains(progressMatch);      
    if (foundHundred)
      break;
  }
  line = r.readLine();
  foundComplete = line.contains(completionMatch);
  assertTrue(foundUber);
  assertTrue(foundHundred);
  assertTrue(foundComplete);

  System.out.println("The output of job.toString() is : \n" + job.toString());
  assertTrue(job.toString().contains("Number of maps: 5\n"));
  assertTrue(job.toString().contains("Number of reduces: 5\n"));
}

源代码4 项目： GDH 文件： NoKeyOnWireTest.java

private void testNegotiation(int amount, TestContext context) {
    PrimaryVertex pv = new PrimaryVertex();
    GDHVertex[] verticles = new GDHVertex[amount];
    Configuration[] confs = new Configuration[amount];
    Writer writer = new StringWriter();
    for (int i = 0; i < amount; i++) {
        verticles[i] = new GDHVertex();
        confs[i] = new Configuration();
        WriterAppender app = new WriterAppender(new PatternLayout(), writer);
        app.setThreshold(Level.DEBUG);
        app.activateOptions();
        confs[i].setAppender(app);
        String port = amount + "08" + i;
        confs[i].setIP("localhost").setPort(port).setLogLevel(Level.DEBUG);
        verticles[i].setConfiguration(confs[i]);
    }
    List<GDHVertex> list = new ArrayList<>(Arrays.asList(verticles));

    Group g = new Group(confs[0], list.stream().map(y -> y.getNode()).collect(Collectors.toList()));
    verticles[0].addGroup(g);

    Async async1 = context.async(amount);
    for (int i = 0; i < amount; i++)
        pv.run(verticles[i], res -> {
            if (res.succeeded()) {
                async1.countDown();
            } else {
                res.cause().printStackTrace();
                return;
            }
        });
    async1.awaitSuccess();

    BigInteger[] keys = new BigInteger[2];
    try {
        keys[0] = verticles[0].exchange(g.getGroupId()).get();
        Assert.assertFalse(!writer.toString().isEmpty() && writer.toString().contains(keys[0].toString()));
    } catch (InterruptedException | ExecutionException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    Async async2 = context.async(amount);
    for (int i = 0; i < amount; i++)
        pv.kill(verticles[i], res -> {
            if (res.succeeded()) {
                async2.countDown();
            } else {
                res.cause().printStackTrace();
            }
        });
    async2.awaitSuccess();
}

源代码5 项目： GDH 文件： LoggerTest.java

private void testNegotiation(int amount, TestContext context) {
    PrimaryVertex pv = new PrimaryVertex();
    GDHVertex[] verticles = new GDHVertex[amount];
    Configuration[] confs = new Configuration[amount];
    Writer writer = new StringWriter();
    for (int i = 0; i < amount; i++) {
        verticles[i] = new GDHVertex();
        confs[i] = new Configuration();
        WriterAppender app = new WriterAppender(new PatternLayout(), writer);
        app.setThreshold(Level.DEBUG);
        app.activateOptions();
        confs[i].setAppender(app);
        String port = amount + "08" + i;
        confs[i].setIP("localhost").setPort(port).setLogLevel(Level.DEBUG);
        verticles[i].setConfiguration(confs[i]);
    }
    List<GDHVertex> list = new ArrayList<>(Arrays.asList(verticles));

    Group g = new Group(confs[0], list.stream().map(y -> y.getNode()).collect(Collectors.toList()));
    verticles[0].addGroup(g);

    Async async1 = context.async(amount);
    for (int i = 0; i < amount; i++)
        pv.run(verticles[i], res -> {
            if (res.succeeded()) {
                async1.countDown();
            } else {
                res.cause().printStackTrace();
                return;
            }
        });
    async1.awaitSuccess();

    BigInteger[] keys = new BigInteger[1];
    try {
        keys[0] = verticles[0].exchange(g.getGroupId()).get();
        for (int j = 0; j < verticles.length; j++) {
            Assert.assertEquals(verticles[j].getKey(g.getGroupId()).get(), keys[0]);
        }
        String write = writer.toString();
        int count1 = write.length() - write.replace(Constants.LOG_IN, "0000000").length();
        int count2 = write.length() - write.replace(Constants.LOG_OUT, "0000000").length();
        Assert.assertTrue(count1 >= amount*amount-1);
        Assert.assertTrue(count2 >= amount*amount-1);
    } catch (InterruptedException | ExecutionException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    Async async2 = context.async(amount);
    for (int i = 0; i < amount; i++)
        pv.kill(verticles[i], res -> {
            if (res.succeeded()) {
                async2.countDown();
            } else {
                res.cause().printStackTrace();
            }
        });
    async2.awaitSuccess();
}

源代码6 项目： big-c 文件： TestJobMonitorAndPrint.java

@Test
public void testJobMonitorAndPrint() throws Exception {
  JobStatus jobStatus_1 = new JobStatus(new JobID("job_000", 1), 1f, 0.1f,
      0.1f, 0f, State.RUNNING, JobPriority.HIGH, "tmp-user", "tmp-jobname",
      "tmp-queue", "tmp-jobfile", "tmp-url", true);
  JobStatus jobStatus_2 = new JobStatus(new JobID("job_000", 1), 1f, 1f,
      1f, 1f, State.SUCCEEDED, JobPriority.HIGH, "tmp-user", "tmp-jobname",
      "tmp-queue", "tmp-jobfile", "tmp-url", true);

  doAnswer(
      new Answer<TaskCompletionEvent[]>() {
        @Override
        public TaskCompletionEvent[] answer(InvocationOnMock invocation)
            throws Throwable {
          return new TaskCompletionEvent[0];
        }
      }
      ).when(job).getTaskCompletionEvents(anyInt(), anyInt());

  doReturn(new TaskReport[5]).when(job).getTaskReports(isA(TaskType.class));
  when(clientProtocol.getJobStatus(any(JobID.class))).thenReturn(jobStatus_1, jobStatus_2);
  // setup the logger to capture all logs
  Layout layout =
      Logger.getRootLogger().getAppender("stdout").getLayout();
  ByteArrayOutputStream os = new ByteArrayOutputStream();
  WriterAppender appender = new WriterAppender(layout, os);
  appender.setThreshold(Level.ALL);
  Logger qlogger = Logger.getLogger(Job.class);
  qlogger.addAppender(appender);

  job.monitorAndPrintJob();

  qlogger.removeAppender(appender);
  LineNumberReader r = new LineNumberReader(new StringReader(os.toString()));
  String line;
  boolean foundHundred = false;
  boolean foundComplete = false;
  boolean foundUber = false;
  String uberModeMatch = "uber mode : true";
  String progressMatch = "map 100% reduce 100%";
  String completionMatch = "completed successfully";
  while ((line = r.readLine()) != null) {
    if (line.contains(uberModeMatch)) {
      foundUber = true;
    }
    foundHundred = line.contains(progressMatch);      
    if (foundHundred)
      break;
  }
  line = r.readLine();
  foundComplete = line.contains(completionMatch);
  assertTrue(foundUber);
  assertTrue(foundHundred);
  assertTrue(foundComplete);

  System.out.println("The output of job.toString() is : \n" + job.toString());
  assertTrue(job.toString().contains("Number of maps: 5\n"));
  assertTrue(job.toString().contains("Number of reduces: 5\n"));
}

方法所在类

org.apache.log4j.WriterAppender